Renew Client Secret in Azure AD
How to renew the Client Secret for the Azure AD application? There are two ways to renew a Client Secret in Azure AD. One way is to use the Microsoft Azure portal, and the other is PowerShell. In this article,…
Active Directory health check with PowerShell script
What is an excellent way to check the Domain Controller health? Perhaps you want to add a new Domain Controller to an existing domain, and before doing that, you want to check the Active Directory health state. Let's see how…
Exchange Server 2013 end of support is coming
Exchange Server 2013 end of support is on April 11, 2023. Many organizations are working with Exchange 2013 and are not yet migrated to Exchange 2019 or Exchange Online with Office 365/Microsoft 365. If you are not yet migrated, now…
Check FSMO roles in Active Directory
Once you Install Active Directory Domain Services, the FSMO (Flexible Single Master Operations) roles are installed on that Windows Server. If you have more than one Domain Controller or more than one domain in the forest, you like to know…
January 2023 Exchange Server Security Updates
Microsoft released several Security Updates (SUs) for Microsoft Exchange Server to address vulnerabilities. Due to the critical nature of these vulnerabilities, we recommend that customers apply the updates to affected systems immediately to protect the environment. Note: These vulnerabilities affect…
Get Active Directory information with PowerShell script
How to get Active Directory info in one output? For example, you want to migrate Active Directory to a new server, and you like to get the AD info. Or you like to know how many workstations, servers, or groups…
Forest and domain functional level compatibility matrix
Functional levels determine the available Active Directory Domain Services (AD DS) domain or forest capabilities. They also determine which Windows Server operating systems you can run on domain controllers in the domain or forest. However, functional levels do not affect…
Check Active Directory forest and domain functional level
Which AD forest and domain functional level are you running in the organization? Are you on the latest version? In this article, you will learn how to check the forest and domain functional level. Table of contentsCheck forest and domain…
Add Domain Controller to existing domain
You have a Domain Controller running in the organization. But only one DC running in the organization is asking for trouble. Because when the DC is offline, the users can't authenticate with the DC and can't sign in. That's a…
Get all Domain Controllers with PowerShell
You want to raise the Active Directory domain and forest functional levels. But, before doing so, you need to check which Domain Controllers are running in the organization and if they run at least a specific Operating System. In this…